Mohamed Mayallo articles - 28 total
Postgres SQL FILTER: A Smarter CASE and CTE Alternative
Introduction When you build reports in SQL, you often need to count or average values...
Can GraphQL Call REST API?
Introduction Yes, GraphQL can call REST APIs. In fact, this is a common way to use GraphQL...
Are Nx Monorepo Configurations Really Complex?
Introduction This is the second part of our Nx monorepo series. If you haven't yet, you...
SQL COALESCE in Postgres: A Simple Guide
Introduction In a database, we often find empty places in our tables. These are not zeros...
Nx Monorepo Guide: React & Node Fullstack App
What is a Monorepo and Why Nx? Ever find yourself checking many projects, each in its own...
TypeScript Type Vs Interface? The Answer Is Type!
Introduction In TypeScript, you can define custom shapes using type aliases or interface....
Deep Copy vs Shallow Copy in JavaScript: Complete Guide
Understanding Object References in JavaScript Have you ever changed something you thought...
MongoDB Views or Materialized Views: When to Use?
Intoduction MongoDB offers powerful tools to simplify data access and improve performance....
Facade vs Proxy vs Adapter Design Patterns
Facade vs Proxy vs Adapter Design Patterns Understand the core differences, use cases,...
Go Concurrency: Mutexes vs Channels with Examples
Introduction When building concurrent applications in Go, synchronization is crucial to...
Unit, Integration, and E2E Testing in One Example Using Jest
Introduction Many developers face challenges when it comes to testing their code. Without...
How I Improved Video Streaming with FFmpeg and Node.js
Introduction Nowadays, videos are everywhere. If you think to entertain yourself, you...
Is Interface Segregation Principle Redundant?
Introduction Do you know that 50% of software development time is spent on maintenance? As...
Group by Year, Month, or Day in PostgreSQL
Introduction PostgreSQL is one of the best relational databases that developers use on a...
Exponentiation in JavaScript: A Beginner’s Guide
Introduction Exponentiation refers to a mathematical process of multiplying a number by...
How to Break from forEach in JavaScript?
Introduction In JavaScript, forEach() is a FUNCTION that loops over an array of elements....
The Double Question Mark (Nullish Coalescing Operator) in JavaScript
Introduction In JavaScript, the Double Question Mark ?? is known as Nullish Coalescing...
Add Element to Array just if It Doesn't Exist in the Array
Introduction In JavaScript, arrays allow duplicating elements and don’t guarantee the...
Liskov Substitution Principle Isn’t Complex. Just Give It A Try
Introduction As we all know, software requirements always change, and we as developers...
Open-Closed Principle: The Hard Parts
Introduction SOLID principles are a set of principles set by Robert C.Martin (Uncle Bob)....
Do You Really Know, What Is Single Responsibility?
Introduction I believe that every developer should be familiar with the SOLID principles....
UML in Agile Simply Explained
Introduction UML is used to simplify written documentation. It is a way to visualize...
The 8 Fallacies of Distributed Systems Simply Explained
Introduction The distributed systems fallacies are the false assumptions developers make...
Locking-Based Isolation at SQL Server
Introduction In the SQL world, a transaction is a unit of work that include single or...
How to use GraphQL Directives efficiently?
Introduction GraphQL is one of the most fantastic tools presented in the software world in...
MongoDB GridFS, Made Simple
Introduction In fact, when you come to choosing your uploading methodology, there are a...
Strategy Vs State Vs Template Design Patterns
Introduction As you know, Design Patterns are special solutions designed by experts for...
4 Ways To Handle Async Operations In JavaScript
Using Callbacks, Promises, Async/Await, and Observables to handle Javascript asynchronous operations